un acoustic

acoustic

[uh-koo-stik]
adjective Also, acoustical.
1.
pertaining to the sense or organs of hearing, to sound, or to the science of sound.
2.
(of a building material) designed for controlling sound.
3.
Music.
a.
of, pertaining to, or being a musical instrument whose sound is not electrically enhanced or modified.
b.
arranged for or made up of such instruments: an acoustic solo; an acoustic group.
noun
4.
Obsolete. a remedy for deafness or imperfect hearing.

Origin:
1595–1605; < Greek akoustikós. See acouasm, -tic

acoustically, adverb
nonacoustic, adjective, noun
nonacoustical, adjective
nonacoustically, adverb
unacoustic, adjective
unacoustical, adjective
unacoustically, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
acoustic or acoustical (əˈkuːstɪk)
 
adj
1.  of or related to sound, the sense of hearing, or acoustics
2.  designed to respond to, absorb, or control sound: an acoustic tile
3.  (of a musical instrument or recording) without electronic amplification: an acoustic bass; an acoustic guitar
 
[C17: from Greek akoustikos, from akouein to hear]
 
acoustical or acoustical
 
adj
 
[C17: from Greek akoustikos, from akouein to hear]
 
a'coustically or acoustical
 
adv

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

acoustic
c.1600, from Fr. acoustique, from Gk. akoustikos "pertaining to hearing," from akoustos "heard, audible," from akouein "to hear," from copulative prefix a- + koein "to mark, perceive, hear," from PIE base *(s)keu- "to notice, observe" (see caveat). Acoustic guitar (as opposed
to electric) attested by 1958.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

acoustic a·cous·tic (ə-kōō'stĭk) or a·cous·ti·cal (-stĭ-kəl)
adj.
Of or relating to sound, the sense of hearing, or the perception of sound.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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